<?php

/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Gdata
 * @subpackage Gdata
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Where.php 16971 2009-07-22 18:05:45Z mikaelkael $
 */

/**
 * @see Zend_Gdata_Extension
 */
require_once 'Zend/Gdata/Extension.php';

/**
 * @see Zend_Gdata_Extension_EntryLink
 */
require_once 'Zend/Gdata/Extension/EntryLink.php';

/**
 * Data model class to represent a location (gd:where element)
 *
 * @category   Zend
 * @package    Zend_Gdata
 * @subpackage Gdata
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Gdata_Extension_Where extends Zend_Gdata_Extension
{

	protected $_rootElement = 'where';
	protected $_label = null;
	protected $_rel = null;
	protected $_valueString = null;
	protected $_entryLink = null;

	public function __construct($valueString = null, $label = null, $rel = null, $entryLink = null)
	{
		parent::__construct();
		$this->_valueString = $valueString;
		$this->_label = $label;
		$this->_rel = $rel;
		$this->_entryLink = $entryLink;
	}

	public function getDOM($doc = null, $majorVersion = 1, $minorVersion = null)
	{
		$element = parent::getDOM($doc, $majorVersion, $minorVersion);
		if ($this->_label !== null) {
			$element->setAttribute('label', $this->_label);
		}
		if ($this->_rel !== null) {
			$element->setAttribute('rel', $this->_rel);
		}
		if ($this->_valueString !== null) {
			$element->setAttribute('valueString', $this->_valueString);
		}
		if ($this->entryLink !== null) {
			$element->appendChild($this->_entryLink->getDOM($element->ownerDocument));
		}
		return $element;
	}

	protected function takeAttributeFromDOM($attribute)
	{
		switch ($attribute->localName) {
			case 'label':
				$this->_label = $attribute->nodeValue;
				break;
			case 'rel':
				$this->_rel = $attribute->nodeValue;
				break;
			case 'valueString':
				$this->_valueString = $attribute->nodeValue;
				break;
			default:
				parent::takeAttributeFromDOM($attribute);
		}
	}

	/**
	 * Creates individual Entry objects of the appropriate type and
	 * stores them in the $_entry array based upon DOM data.
	 *
	 * @param DOMNode $child The DOMNode to process
	 */
	protected function takeChildFromDOM($child)
	{
		$absoluteNodeName = $child->namespaceURI . ':' . $child->localName;
		switch ($absoluteNodeName) {
			case $this->lookupNamespace('gd') . ':' . 'entryLink':
				$entryLink = new Zend_Gdata_Extension_EntryLink();
				$entryLink->transferFromDOM($child);
				$this->_entryLink = $entryLink;
				break;
			default:
				parent::takeChildFromDOM($child);
				break;
		}
	}

	public function __toString()
	{
		if ($this->_valueString != null) {
			return $this->_valueString;
		}
		else {
			return parent::__toString();
		}
	}

	public function getLabel()
	{
		return $this->_label;
	}

	public function setLabel($value)
	{
		$this->_label = $value;
		return $this;
	}

	public function getRel()
	{
		return $this->_rel;
	}

	public function setRel($value)
	{
		$this->_rel = $value;
		return $this;
	}

	public function getValueString()
	{
		return $this->_valueString;
	}

	public function setValueString($value)
	{
		$this->_valueString = $value;
		return $this;
	}

	public function getEntryLink()
	{
		return $this->_entryLink;
	}

	public function setEntryLink($value)
	{
		$this->_entryLink = $value;
		return $this;
	}

}
